#define _CRT_SECURE_NO_WARNINGS 1
class Solution {
public:
    bool checkPartitioning(string s) {
        int n = s.size();
        vector<vector<bool>> dp(n, vector<bool>(n));
        for (int i = n - 1; i >= 0; i--)
        {
            for (int j = i; j < n; j++)
            {
                if (s[i] != s[j]) dp[i][j] = false;
                else if (i == j || i + 1 == j) dp[i][j] = true;
                else if (dp[i + 1][j - 1]) dp[i][j] = true;
                else dp[i][j] = false;
            }
        }
        for (int i = 1; i < n; i++)
        {
            for (int j = i + 1; j < n; j++)
            {
                if (dp[0][i - 1] && dp[i][j - 1] && dp[j][n - 1]) return true;
            }
        }
        return false;
    }
};